Employees (ENO, Ename, Hire_Date);

Books (ISBN, Bname, Quantity, Price);

Customers (CNO, Cname, Street, Zip, Phone);

Orders (ONO, CNO, ENO, Received, Shipped);

Orderline (ONO, ISBN, Qty);

Zipcodes (Zip, City, State);

1) Customers (name) who ordered all the books as customer #11111 ordered (although, they may have ordered additional books).

2) Customers (name) who ordered at least one book that customer #1111 ordered.

can you solve using relational algebra please?